Home / 116,998.51-161,457.97-66,022.08

Finding the Fourth Proportional to 116,998.51, 161,457.97 and 66,022.08

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Solution

The fourth proportional to 116,998.51, 161,457.97 and 66,022.08 is: 91,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,998.51 : 161,457.97 = 66,022.08 : x
  2. Step 2: Convert to fraction form
    116,998.51/161,457.97 = 66,022.08/x
  3. Step 3: Cross multiply
    116,998.51x = 161,457.97 × 66,022.08
  4. Step 4: Simplify right side
    116,998.51x = 10,659,791,011.98
  5. Step 5: Solve for x
    x = 10,659,791,011.98/116,998.51
  6. Step 6: Final answer
    x = 91,110.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.